Low Temperature vs Noise Tradeoff

[r0cketman]

I've recently build a new PC, and I've been playing with fan placement / curves to get an efficient cooling setup. For placement, I settled on 2 intakes in the front, 1 in the back (all 120mm) and a stock Wraith Prism on my Ryzen 3700x. To reduce noise, I created slightly less aggressive fan curves than the defaults, with case fans maxing out at 80% and the CPU fan only going to 100% at 90C.

 

Under load (Furmark GPU and CPU stress tests simultaneously) here are the temps I got from various sensors:

CPU: 86

PCIEX16: 52
VRM: 55

System 1: 46
System 2: 44

GPU: 71

 

Then, as a baseline, I turned all the fans up to 100% (except for GPU fans) and let the temperatures settle. As expected, the noise was much, much worse. The new temps were:

CPU: 82   (4 lower)

PCIEX16: 49   (3 lower)

VRM: 52  (3 lower)

System 1: 44   (2 lower)
System 2: 40   (4 lower)

GPU: 71 (no change)

 

So the question I have is this: Given the relatively small reduction in temperatures I saw when running fans at 100%, is it worth it to keep the parts just a tad cooler for their durability, or will it make no practical difference and I'd be fine with a quiet, slightly hotter PC? My gut says the temp changes are insignificant, but I'm guessing the motherboard manufacturer set up the fan curves to be aggressive for a reason, so I don't want to just go with my gut.

 

Thanks for any advice/information in advance!



 

[Jurrunio]

I'd let it run slightly hotter. An actual solution to both sides is a better cooler anyway

[WoodenMarker]

If the noise bothers you, just run the fans at lower rpm. 

The temps seem normal considering the synthetic load.

[r0cketman]

Thank you both for your advice. I'll run the fans at a lower RPM for now and consider getting a better cooler at some point.